Slovakia VAT Number Format (SK1234567890)

Daň z pridanej hodnoty (DPH) number structure, regex & verified examples

Everything you need to know about Daň z pridanej hodnoty (DPH) numbers in Slovakia — they follow the pattern SK + 10 digits (e.g. SK1234567890), and can be verified against VIES. For the rates themselves, see Slovakia VAT rates and their history. Building a check into your app? See the Slovakia VAT API.

EU Member StateDPHDaň z pridanej hodnotyEUR

VAT Number Format

Structure

SK + 10 digits

Example format

SK1234567890

Regex

^SK\d{10}$

VAT numbers are not case-sensitive — lowercase input is automatically normalised.

What we return for Slovakia

  • VIES validation (valid / not valid)
  • Company name & address
  • National registry ID
  • Founded date
  • Legal form
  • Industry
  • Works if VIES is down

See the full coverage table for all 27 EU member states + Northern Ireland →

Check a Slovakia VAT Number

Enter a DPH number starting with SK to verify it against the official VIES database.

Format: SK + 10 digits

Example:

Validate a Slovakia SK VAT number via API

Get Slovakia VAT rates via API — free, no key

No API key required
Request
curl "https://api.vatnode.dev/v1/rates/SK"
Response200 OK
{
  "countryCode": "SK",
  "countryName": "Slovakia",
  "vatName": "Daň z pridanej hodnoty",
  "vatAbbr": "DPH",
  "standardRate": 23,
  "reducedRates": [
    19,
    5
  ],
  "superReducedRate": null,
  "parkingRate": null,
  "vatNumberFormat": "SK + 10 digits",
  "vatNumberPattern": "^SK\\d{10}$",
  "updatedAt": "2026-08-13"
}

View full rates API reference

Get Slovakia VAT rates via package — offline, no HTTP

eu-vat-rates-data
Request
# npm install eu-vat-rates-data
import { getRate } from 'eu-vat-rates-data'

const rate = getRate('SK')
console.log(rate.standard) // SK standard VAT rate
getRate() result200 OK
{
  "country": "Slovakia",
  "currency": "EUR",
  "eu_member": true,
  "vat_name": "Daň z pridanej hodnoty",
  "vat_abbr": "DPH",
  "standard": 23,
  "reduced": [
    5,
    19
  ],
  "super_reduced": null,
  "parking": null,
  "format": "SK + 10 digits",
  "pattern": "^SK\\d{10}$"
}

View package on GitHub

Validate Slovakia SK VAT numbers

Requires API key
Request
curl "https://api.vatnode.dev/v1/vat/SK2020310578" \
  -H "Authorization: Bearer YOUR_API_KEY"
Response200 OK
{
  "valid": true,
  "vatId": "SK2020310578",
  "countryCode": "SK",
  "companyName": "Orange Slovensko a.s.",
  "companyAddress": null,
  "companyRegistrationDate": null,
  "companyForm": null,
  "industryDescription": null,
  "registryCode": null,
  "registryCodeName": null,
  "verifiedAt": "2026-04-25T12:00:00.000Z",
  "checkId": "019dc41e-d64d-7255-8ed7-cf5443103cd8",
  "countryName": "Slovakia",
  "countryVat": {
    "vatName": "Daň z pridanej hodnoty",
    "vatAbbr": "DPH",
    "currency": "EUR",
    "standardRate": 23,
    "reducedRates": [
      19,
      5
    ],
    "superReducedRate": null,
    "parkingRate": null,
    "vatNumberFormat": "SK + 10 digits",
    "vatNumberPattern": "^SK\\d{10}$",
    "countryVatUpdatedAt": "2026-08-13"
  },
  "consultationNumber": null
}

View full API response schema

Frequently Asked Questions

What is the VAT number format in Slovakia?

VAT numbers in Slovakia follow the format: SK + 10 digits. Example: SK1234567890. VAT numbers are not case-sensitive — lowercase input is automatically normalised.

What is the VAT number regex pattern in Slovakia?

Use this regular expression to validate VAT numbers in Slovakia DPH number format locally:

^SK\d{10}$

Test against the uppercase number. Format validation catches typos locally — always follow with a VIES check to confirm the number is active.

How do I validate a VAT number in Slovakia programmatically?

Send a GET request to https://api.vatnode.dev/v1/vat/{vatId} with your Authorization: Bearer header. The API checks the number against the official EU VIES database and returns a JSON response with a valid field, company name, address, and current DPH rates. Free plan available — 100 requests/month, no credit card required.

What does DPH stand for in Slovakia?

DPH stands for Daň z pridanej hodnoty — the Slovak name for Value Added Tax (VAT). It appears on Slovak invoices and tax documents.

Validate Slovakia VAT numbers in your app

Use the vatnode API to automate DPH validation in your invoicing or checkout flow. Free plan available, no credit card required.